Race condition in MediaTek MT6895, MT6983, MT8188, MT8195, MT8395, MT8781
Priority LOW 29CWE-362Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
In camsys, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07341261; Issue ID: ALPS07326570.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00067 0th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MediaTek | MT6895, MT6983, MT8188, MT8195, MT8395, MT8781 | Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0) | — | No fix listed | CNA |
- MT6895, MT6983, MT8188, MT8195, MT8395, MT8781 VendorMediaTek Affected Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0) Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:linuxfoundation:yocto:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | backstage |
| cpe:2.3:a:mediatek:iot_yocto:23.0:*:*:*:*:*:*:* | 23.0 | Vulnerable | MediaTek |
| cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:* | 12.0 | Vulnerable | |
| cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:* | 13.0 | Vulnerable | |
| cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:h:mediatek:mt8195:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:h:mediatek:mt8395:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
- cpe:2.3:a:linuxfoundation:yocto:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·backstage
- cpe:2.3:a:mediatek:iot_yocto:23.0:*:*:*:*:*:*:* Versions 23.0 Vulnerable ·MediaTek
- cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Google
- cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:* Versions 13.0 Vulnerable ·Google
- cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:h:mediatek:mt8195:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:h:mediatek:mt8395:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-20835
- 2026-10-03 Alias added: GHSA-h64c-gqh4-8rr8
References
More MediaTek Iot Yocto vulnerabilities
- TI-2024-13132 Out-of-bounds write in MediaTek MT3605, MT6985, MT6989, MT6990, MT7927, MT8183, MT8365… CVSS 3.1CRITICAL 9.8
- TI-2023-16072 Improper input validation in MediaTek MT5221, MT6781, MT6833, MT6853, MT6853T, MT6855… CVSS 3.1HIGH 7.5
- TI-2025-14790 Out-of-bounds write in MediaTek MT6886, MT6897, MT6899, MT6985, MT6989, MT6991, MT8195… CVSS 3.1HIGH 7.8
- TI-2023-16081 Integer overflow in MediaTek MT6879, MT6886, MT6891, MT6895, MT6896, MT6983, MT6985… CVSS 3.1MEDIUM 6.7
- TI-2023-16080 Integer overflow in MediaTek MT6771, MT6779, MT6785, MT6853, MT6853T, MT6873, MT6877… CVSS 3.1MEDIUM 6.7
- TI-2023-16063 Improper input validation in MediaTek MT2713, MT6779, MT6781, MT6785, MT6789, MT6833… CVSS 3.1MEDIUM 6.7
Sources
- CVE-2023-20835 · CVE Program
- CVE-2023-20835 · NVD
- FIRST EPSS
- GHSA-h64c-gqh4-8rr8 · GitHub Advisory Database · CC BY 4.0
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